(C#) POST JSON to REST API with non-us-ascii Chars Escaped

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Note: This example requires Chilkat v11.1.0 or greater.

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bool success = false;

success = false;

Chilkat.Rest rest = new Chilkat.Rest();

// Connect using TLS.
bool bAutoReconnect = true;
success = rest.Connect("chilkatsoft.com",443,true,bAutoReconnect);

// Load JSON containing the following Korean text.

//  {
//    "BillAddr": {
//       "Id": "239615",
//       "Line1": "류리하",
//       "Line2": "류리하류리하",
//       "City": "류리하류리하",
//       "Country": "US",
//       "CountrySubDivisionCode": "AK",
//       "PostalCode": "류리하"
//     }
// }

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.EmitCompact = false;
success = json.LoadFile("qa_data/json/korean.json");
if (success == false) {
    Debug.WriteLine(json.LastErrorText);
    return;
}

success = rest.AddHeader("Content-Type","application/json; charset=UTF-8");

Chilkat.StringBuilder sb = new Chilkat.StringBuilder();
json.EmitSb(sb);
sb.Encode("unicodeescape","utf-8");

Debug.WriteLine(sb.GetAsString());

// The StringBuilder contains this:

// {
//   "BillAddr": {
//     "Id": "239615",
//     "Line1": "\ub958\ub9ac\ud558",
//     "Line2": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
//     "City": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
//     "Country": "US",
//     "CountrySubDivisionCode": "AK",
//     "PostalCode": "\ub958\ub9ac\ud558"
//   }
// }

Chilkat.StringBuilder sbResp = new Chilkat.StringBuilder();
success = rest.FullRequestSb("POST","/echo_request_body.asp",sb,sbResp);
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// Show the response. 
Debug.WriteLine("Json Response: " + sbResp.GetAsString());